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Summary
Dr. Thomas Defer is an internal medicine physician who has dedicated 37 years to caring for patients with complex medical conditions. He earned his medical degree from the University of Missouri Columbia School of Medicine and focuses on comprehensive adult healthcare. His expertise encompasses the diagnosis and treatment of serious conditions that require ongoing medical management.
Dr. Defer practices at multiple respected healthcare facilities in Saint Louis, Missouri, including Barnes Jewish Hospital, Christian Hospital, Missouri Baptist Medical Center, and Saint Louis Children's Hospital. He specializes in treating heart failure and chronic kidney disease, helping patients manage these challenging conditions. His practice also includes care for sleep apnea. He performs specialized diagnostic procedures such as dobutamine stress echocardiograms and doppler echocardiograms to evaluate heart function, along with pulmonary function testing to assess breathing capacity.
Dr. Defer practices at multiple respected healthcare facilities in Saint Louis, Missouri, including Barnes Jewish Hospital, Christian Hospital, Missouri Baptist Medical Center, and Saint Louis Children's Hospital. He specializes in treating heart failure and chronic kidney disease, helping patients manage these challenging conditions. His practice also includes care for sleep apnea. He performs specialized diagnostic procedures such as dobutamine stress echocardiograms and doppler echocardiograms to evaluate heart function, along with pulmonary function testing to assess breathing capacity.
AI-generated from data on this provider profile.
Quick Facts
- 37 years of experience
- University Of Missouri Columbia School Of Medicine
- 1 specialty
- 1 board certification
- 4 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. Thomas M Defer has 2 locationsWashington University School Of Medicine
660 S Euclid AveSaint Louis, MO 63110 Tel: (314) 362-8901
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Thomas M Defer, MD | Dr. Kelly Ann Wood, MSPH, MD | Dr. Michael Albrecht, MD | Eric Harker |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 37 Years of Experience | 20 Years of Experience | 14 Years of Experience | 25 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | |
| Saint Louis , MO | COLUMBIA , IL | LANSING , KS | Lyons , CO |
| Med School: University Of Missouri Columbia School Of Medicine | Med School: Southern Illinois University School Of Medicine | Med School: University Of Kansas School Of Medicine | Med School: Duke University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Thomas M Defer
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Thomas M Defer has the following specialty
Certifications, License, & Education
37 Years Experience
MEDICAL LICENSE
Medical Doctor, Missouri, 2026, Expired
EDUCATION & TRAINING
Medical School
University Of Missouri Columbia School Of MedicineGraduated in 1989
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Frequently Asked Questions
- Is Dr. Thomas Defer accepting new patients?
- Dr. Thomas Defer has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Thomas Defer accept my insurance?
- You can see the insurance plans that Dr. Thomas Defer accepts on their Vitals profile.
- How can I make an appointment with Dr. Thomas Defer?
- You can find contact information for Dr. Thomas Defer here on Vitals.
- Which hospitals is Dr. Thomas Defer affiliated with?
- Dr. Thomas Defer is affiliated with Barnes Jewish Hospital, Christian Hospital, Missouri Baptist Medical Center, and Saint Louis Childrens Hospital.
- Does Dr. Thomas Defer accept virtual/telehealth appointments?
- Dr. Thomas Defer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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